Powered by a late surge, Georgia’s enrollment in the 2015 health insurance exchange easily surpassed the half-million mark.

Federal officials said Wednesday that 536,929 Georgians selected a plan or were automatically re-enrolled in the state exchange. The Affordable Care Act provides for exchanges in all 50 states, and this is their second year of operation.

Open enrollment ended Sunday. The figures show that Georgia enrollment accelerated in the final two weeks, with more than 60,000 signing up. As of Feb. 6, 468,464 had enrolled in coverage in Georgia.

This year’s enrollment number far outpaces last year’s Georgia exchange total of 316,543, and exceeded many projections for the state.